Pith Number

pith:4S4DVR7A

pith:2007:4S4DVR7AWLH3GTYPAMPRY5DQ7R

not attested not anchored not stored refs pending

The Peculiar Velocities of Local Type Ia Supernovae and their Impact on Cosmology

(2) University of Waterloo, (3) University of Toronto), Alex Conley (3) ((1) California Institute of Technology, James D. Neill (1), Michael J. Hudson (2)

arxiv:0704.1654 v1 · 2007-04-12 · astro-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4S4DVR7AWLH3GTYPAMPRY5DQ7R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:33:04.543940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b83ac7e0b2cfb34f0f031f1c7470fc73989d30ee211ab6cf563a88caf086fb

Aliases

arxiv: 0704.1654 · arxiv_version: 0704.1654v1 · doi: 10.48550/arxiv.0704.1654 · pith_short_12: 4S4DVR7AWLH3 · pith_short_16: 4S4DVR7AWLH3GTYP · pith_short_8: 4S4DVR7A

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4S4DVR7AWLH3GTYPAMPRY5DQ7R \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e4b83ac7e0b2cfb34f0f031f1c7470fc73989d30ee211ab6cf563a88caf086fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c5759a26727194fcd9b7c26ed80ef1ffec42911e355fe1a6ce15f2515b4bbe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-12T20:21:22Z",
    "title_canon_sha256": "18c453a4316db19756708e0e2c2de2e1a598bee2a8a2ad2127ffdbf0be50e47e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1654",
    "kind": "arxiv",
    "version": 1
  }
}